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European Journal of Prosthodontics and Restorative Dentistry

Cover Date:

March 2009

Print ISSN:

0965-7452

Vol:

17

Issue:

1

A Novel Instrument to Determine Pulp Proximity

Abstract - The aim was to determine whether extracted teeth could be used to test the PrepometerTM instrument, which indicates pulp proximity with green/amber/red light emitting diodes. Third molars were reduced to a plane in dentine and PrepometerTM readings made. Dentine was removed in 0.5 mm increments and readings made until only lights 9 or 10 (red) showed. The teeth were sectioned and the dentine thickness measured. Analysis permitted construction of a highly significant predictor-model (p < 0.01), the red/amber light boundary coinciding with a dentine thickness of 2.4 mm. The PrepometerTM was consistent in predicting pulp proximity but was more sensitive than specified.

KEY WORDS: Pulp proximity; tooth preparation; alternating current; instrument; LED display

Article Price

£15.00

Institution Article Price

£

Page Start

30

Page End

34

Authors

David G Purton, Nicholas P Chandler, Brian D Monteith, Alison J Qualtrough

Articles from this issue

• Title
• Pg. Start
• Pg. End

1. Chlorhexidine Gluconate Mouthwashes as a Surfactant for Addition-reaction Silicone Impressions
2. 2
3. 8

1. Comparison of the Effect of Ovariectomy on Bone Mass in Dentate and Edentulous Mandibles of Adult Rats
2. 9
3. 21

1. Resin-bonded Cast Splints for Loosened Abutment Teeth to Anchor a Removable Partial Denture: A Case Report
2. 22
3. 25

1. Computerised Dental Implant Rehabilitation Planning and Execution Following Mandibular Resection: A Case Report
2. 26
3. 29

1. A Novel Instrument to Determine Pulp Proximity
2. 30
3. 34

1. The Prevalence of Temporomandibular Disorders Among Two Different Denture-wearing Populations
2. 35
3. 40

1. Investigation of the Effect of a Proprietary Dental Waterline Disinfectant on Shear Bond Strengths of Panavia 21 to Enamel and Dentine
2. 41
3. 46

1. Book Reviews
2. 47
3. 47